Hapur vs Samastipur
Side-by-side air quality comparison between Hapur and Samastipur.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Samastipur averaged 134 — a 8-point (6%) gap, with Hapur the more polluted and Samastipur the cleaner of the two. On 742 days when both cities reported, Hapur was cleaner on 492 of them; the average daily gap was 92 AQI points.
Seasonality & days
Hapur peaks in November, while Samastipur peaks in January. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Samastipur 9 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).